package com.example.application1;

import android.content.Intent;
import android.os.Bundle;



import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

/**
 * A simple {@link Fragment} subclass.
 * Use the {@link LearningFragment#newInstance} factory method to
 * create an instance of this fragment.
 */
public class LearningFragment extends Fragment {

    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;
    private ImageButton btn1, btn2, btn3, btn4;
    private  Fragment learningLanguageFragment;

    public LearningFragment() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment LearningFragment.
     */
    // TODO: Rename and change types and number of parameters
    public static LearningFragment newInstance(String param1, String param2) {
        LearningFragment fragment = new LearningFragment();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_learning, container, false);
    }

    @Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        btn1 = view.findViewById(R.id.btn1);
        btn2 = view.findViewById(R.id.btn2);
        btn3 = view.findViewById(R.id.btn3);
        btn4 = view.findViewById(R.id.btn4);
        View.OnClickListener listener = new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (learningLanguageFragment == null) {
                    learningLanguageFragment = new LearningLanguageFragment();
                }
                getFragmentManager().beginTransaction().hide(LearningFragment.this).add(R.id.fl_container, learningLanguageFragment).addToBackStack("learningFragment").commitAllowingStateLoss();

            }
        };

        btn1.setOnClickListener(listener);
        btn2.setOnClickListener(listener);
        btn3.setOnClickListener(listener);
        btn4.setOnClickListener(listener);

    }
}